package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @Author: charls
 * @Description:TODO
 * @Date: 2023/03/16/ 16:43
 * @Version: 1.0
 */

@Slf4j
//@ResponseBody
//@ControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {

    // 精确异常处理
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题:{}，异常类型:{}",e.getMessage(),e.getClass());
        BindingResult bindingResult=e.getBindingResult();
        Map<String,String> errorMap=new HashMap<>();
        bindingResult.getFieldErrors().forEach((fileError)->{
            errorMap.put(fileError.getField(),fileError.getDefaultMessage());
        });

        return R.error(BizCodeEnume.VALID_EXCEPTION.getCode(), BizCodeEnume.VALID_EXCEPTION.getMsg()).put("data",errorMap);
    }

    // 不精确异常处理
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){

        log.error("错误:",throwable);
        return R.error(BizCodeEnume.UNKNOW_EXEPTION.getCode(), BizCodeEnume.UNKNOW_EXEPTION.getMsg());
    }
}
